From: Markus Elfring Date: Fri, 6 Nov 2015 17:32:41 +0000 (+0100) Subject: iommu/arm-smmu: Delete an unnecessary check before free_io_pgtable_ops() X-Git-Tag: v4.5-rc1~61^2^6^2~10 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=44830b0cbdba29789f2a569d08dbaa3d1605c94c;p=linux.git iommu/arm-smmu: Delete an unnecessary check before free_io_pgtable_ops() The free_io_pgtable_ops() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Signed-off-by: Will Deacon --- diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 47dc7a793f5c..1ce4b85d5216 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -945,9 +945,7 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) free_irq(irq, domain); } - if (smmu_domain->pgtbl_ops) - free_io_pgtable_ops(smmu_domain->pgtbl_ops); - + free_io_pgtable_ops(smmu_domain->pgtbl_ops); __arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx); }